Question about Hitachi 46UX50B 46" Rear Projection Television

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Hitachi 50UX11K picture is scrambled

Originally the tv picture would clear up after the tv was powered up for several minutes. I stopped using the television. I went to check on the television to see how long it would take for the picture to clear up to possibly sell the tv. The picture doesn't seem to clear up no matter how long it's on or from another input. I would like to know what it would take to fix this television.

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Jansen6pack- I am currently repairing the same tv, what I found is that the video pak is going.I have checked pricing and the unit is about 500 bucks,but if you take it to a repair shop they may be able to repair it or send it away for repair. It may be worth the estimate charge. cooltekFeb.18/08

Posted on Feb 18, 2008

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I have sound but no pic it just a scrambled


It sounds like either the controller is bad or the color wheel or scanning sync encoder is dirty or defective. One thing to try is to reset the controller program by unplugging the TV, wait two minutes, then power it ON. The micro-controller will reload it's program from flash memory (which takes several minutes). When the lights are all OFF, turn the set ON and see if the picture is correct. If you select the menu and the picture of the menu is stable, then the problem may be in the signal coming into the TV. Regards.

Dec 18, 2015 | Mitsubishi WD-73733 73" HDTV

3 Answers

Hitachi 50UX11K wavy pic rolls


Sounds like the vertical controll circuit, it could just be a capicator that is on that circuit. as per the comb filter its very difficult to repair as the capacitors are micro and difficult to solder unless your soldering skills is very good. The is a place that repairs these comb filters www.ptscorp.com i am not sure at what cost though. At any case you can bypass the comb filter by
1.) getting an s-video adapter for your vcr
2.) connect the vcr to the tv using the s-video adapter
3.) change the channels using your vcr.

I'd rcommend you get a professional to have a look at it and repair it as it is much to difficult to repair your self even if you have the service manual

http://www.eserviceinfo.com/index.php?what=search2&searchstring=hitachi+CL2XXX_all+models

I'd

Jan 03, 2008 | Projection Televisions

1 Answer

Hitachi 50UX11K wavy pic


Since the comb filter is discontinued is will be best to bypass it by using the S-video input especially if you are on satellite receiver or use a composite to S-video adapter if you don't have dish. You might get the adapter at Radio Shack or shop online at Circuit City or Best Buy

Jan 01, 2008 | Projection Televisions

1 Answer

HD channel picture is clear, but regular digital picture scramble


o.k. check all your connections
if you have a newer house check to see if you have a main hub in a closet somewhere and check all connections. Check your hd receiver and you may be able to chage the DPI the receiver receives in.

I have this problem on some of my non HD channels, also. So much for going digital. I get fuzz and pixel problems "from time to time", but, if it is really bad and consistent your should call your service provider.

Things to ask also ? are you using cable or satellite.

If satellite T.V. there are other reasons you could be experiencing problems.

hope this helps!

Mar 26, 2010 | Toshiba 57HDX82 57" Rear Projection HDTV

1 Answer

Toshiba 61 inch rear projection scrambled picture for 10 minutes after power on, then clears up.


If you are seeing lines and or noise for the first several minutes and it goes away--I think I know what the problem is.

Has the period of time before it clears up been getting longer and longer?

Reply to me with the exact model number and I will tell you what is wrong and what has to be done to fix it.

A lot of these sets have problems with what is called a HYPER board----it controls all signal inside the set--confirm Toshiba and exact model number---

I am here to help people and I do this here for free.


REGARDS, SD TECH

Oct 31, 2009 | Toshiba 42H81 42" Rear Projection...

2 Answers

Scrambled picture


I have the same problem here as well, except that it has been happening so long that now it doesn't get completely clear. The picture was great at one time :-(

Jul 07, 2008 | Toshiba 50H81 50" Rear Projection...

1 Answer

Hitachi 51GWX Scrambled Picture


STK392-560 STKS convergence CHIPs Replace both of them.

Feb 24, 2008 | Hitachi 51GWX20B 51" Rear Projection...

1 Answer

Hitachi 50UX11K color goes in and out and picture is shifted to the right


sir kindly adjust the screnn focus of your tv....thanks and hope too help you gud luck sir!!

Feb 18, 2008 | Hitachi 53UWX10B 53" Rear Projection...

1 Answer

Hitachi 53SDX89BA HD settings


Problem more than likely with the xbox, as the output stream of data from the game platform is not always consistent...accordianman

Dec 29, 2007 | Hitachi 50UX57B 50" Rear Projection...

2 Answers

Hitachi 53SDX89BA


I also have a Hitachi 53SDX89BA and I bought it with the same assumption as you: that it's HD ready. The specs in the manual states the following: "Full 1080i HDTV Capatable with Set-Top Box". I beleive this means that it does not include an HD tuner, but that it is capable of handling up to 1080i resolution. Normal (non-HD) resolution on this TV is 480i.

So here's my problem: Until recently, I wasn't using the HD settings on this TV because I don't have a set top box, nor do I subscribe to any HD content from my cable provider. However, I just purchased an XBox 360 along with an XBox 360 HD-DVD player (it's an XBox peripheral that works with the game console). The Xbox asks you to choose the resolution output (480i, 720i or 1080i) to match your TV's HD capabilities. When I select 1080i output and change my TV's settings to receive an HD signal, the picture quality is amazing. However, the video signal seems to get lost ocassionally (i.e. TV picture gets scrambled) but then it comes right back. This does not happen when I select a 480i output on the Xbox...but of course, the picture isn't as crisp and clear as a 1080i picture.

I don't know if this is a problem with the TV or with the Xbox. Has anybody else had this problem??

Dec 06, 2007 | Hitachi 50UX57B 50" Rear Projection...

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